SOLUTION: Andres has 23 coins in his pocket. The coins consist of nickels and dimes. If the value of the coins is $1.65, how many coins of each type does Andres have in his pocket?

Question 672048: Andres has 23 coins in his pocket. The coins consist of nickels and dimes. If the value of the coins is $1.65, how many coins of each type does Andres have in his pocket?
Answer by fion23(5) (Show Source): You can put this solution on YOUR website!
Let x be the number of nickels
Let 23-x be the number of dimes
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0.05x+(23-x)0.1=1.65
0.05x+2.3-0.1x=1.65
0.05x-0.1x=1.65-2.3
-0.05x=-0.65
x=13
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23 coins-13nickels=10dimes
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Therefore, Andres has 13 nickels and 10 dimes
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